Top 50 Radio Stations in Japan
This curated ranking covers the 50 largest radio stations in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 689 radio stations tracked in Japan, the 50 ranked here account for the largest measured audience reach. Slacker (music service), M-1 (Lithuanian radio station) and Nova (radio network) lead the list with a combined estimated audience of 6,125,961 people. Across all 50 entries the average audience size is 304,129, and the largest, Slacker (music service), reaches around 2,791,321 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each radio station, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Slacker (music service) |
2,791,321 | 31.6% | Music & Radio | |
| 2 |  M-1 (Lithuanian radio station) |
2,206,165 | 91.9% | Music & Radio | |
| 3 |  Nova (radio network) |
1,128,475 | 22.6% | Music & Radio | |
| 4 |  XM |
947,548 | 19.4% | Record label | Music & Radio |
| 5 |  J-Wave |
821,819 | 96.2% | Music & Radio | |
| 6 |  FM802 |
687,160 | 99.6% | Music & Radio | |
| 7 |  Jam! |
659,012 | 8.3% | Music & Radio | |
| 8 |  NPR |
636,580 | 2.9% | Charity | Music & Radio |
| 9 |  Triple J |
535,718 | 11.6% | Music & Radio | |
| 10 |  FM |
384,093 | 7.7% | Music & Radio | |
| 11 |  Capital (radio network) |
273,724 | 1.2% | Music & Radio | |
| 12 |  Click (radio programme) |
232,560 | 4.5% | Music & Radio | |
| 13 |  Album-oriented rock |
225,511 | 23.5% | Musical genre | Music & Radio |
| 14 |  Deutsche Welle |
219,094 | 5.5% | Music & Radio | |
| 15 |  KEYA |
213,119 | 23.0% | Music & Radio | |
| 16 |  Tokyo FM |
192,059 | 97.8% | Music & Radio | |
| 17 |  ZIP FM |
185,989 | 83.8% | Music & Radio | |
| 18 |  LBC |
162,718 | 3.7% | Music & Radio | |
| 19 |  Bay FM (Japan) |
161,107 | 94.2% | Music & Radio | |
| 20 |  BBC World Service |
159,740 | 5.1% | Music & Radio | |
| 21 |  KISS-FM |
156,127 | 4.7% | Music & Radio | |
| 22 |  Fun Kids |
151,029 | 7.9% | Music & Radio | |
| 23 |  104人力銀行 |
133,081 | 71.0% | Music & Radio | |
| 24 |  The Rock (radio station) |
124,760 | 1.7% | Music & Radio | |
| 25 |  BBC Radio |
120,884 | 2.2% | Music & Radio | |
| 26 |  InterFM |
111,765 | 97.8% | Music & Radio | |
| 27 |  RPP |
111,054 | 14.7% | ||
| 28 |  Radio France Internationale |
99,483 | 5.0% | Music & Radio | |
| 29 |  TFM (radio) |
92,391 | 13.8% | ||
| 30 |  FIP (radio station) |
88,290 | 2.6% | Music & Radio | |
| 31 |  RTHK |
85,958 | 10.3% | Music & Radio | |
| 32 |  SopitasFM |
83,036 | 15.3% | Music & Radio | |
| 33 |  MuSic Fm |
69,747 | 93.5% | Music & Radio | |
| 34 |  Cakewalk Sonar |
69,615 | 11.5% | ||
| 35 |  Hot FM (Malaysia) |
66,744 | 2.4% | Music & Radio | |
| 36 |  BBC Radio 1 |
65,974 | 1.6% | Music & Radio | |
| 37 |  Radio online |
61,970 | 0.6% | Music & Radio | |
| 38 |  BBC Radio 2 |
61,259 | 1.4% | Music & Radio | |
| 39 |  RFM |
58,398 | 1.7% | Music & Radio | |
| 40 |  YFM |
58,055 | 4.0% | Music & Radio | |
| 41 |  China Radio International |
57,610 | 3.1% | Music & Radio | |
| 42 |  Smooth (radio network) |
56,100 | 3.4% | ||
| 43 |  BBC Radio 4 |
55,053 | 2.1% | Music & Radio | |
| 44 |  KSL (radio) |
52,865 | 1.9% | Music & Radio | |
| 45 |  Kiss FM |
52,425 | 1.7% | Music & Radio | |
| 46 |  NTS Radio |
52,402 | 5.6% | Music & Radio | |
| 47 |  Radio Farda |
48,745 | 4.8% | Music & Radio | |
| 48 |  Radio Flyer |
47,329 | 7.9% | Music & Radio | |
| 49 |  Era FM |
46,099 | 2.3% | Music & Radio | |
| 50 |  Hits FM (Nepal) |
44,712 | 4.7% | Music & Radio |
Frequently asked questions
How is this Top 50 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each radio station by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest radio station in Japan?
Slacker (music service) currently leads with an estimated audience of 2,791,321 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.